My Daughter Is Almost 35 Weeks Pregnant With 2nd Child..she

my daughter is almost 35 weeks pregnant with 2nd child..she has been having to go to ob once or twice weekly and they give her demorol and phenerghan to slow down contractions and pain..they wrote her a prescription of 10 percoset. will the baby be born addicted to demoral or percoset...she only dilated to 1 and the baby is not lodged..she is still floating